Marbled Orange-Chocolate Cake

★★★★★ 4.7 (138 reviews)
Marbled Orange-Chocolate Cake

This marble cake pairs orange and chocolate instead of the usual vanilla and chocolate — a combination that works surprisingly well, with the citrus cutting through the richness of the cocoa. Made from one base batter split in two, it's just as easy as a classic marble cake.

Prep time20 min
Cook time40 min
Servings10 slices
CategoryCitrus Cake

Ingredients

  • 3 large eggs
  • 1 1/2 cups (300g) sugar
  • 1/2 cup (120ml) neutral oil
  • 1 cup (240ml) fresh orange juice
  • Zest of 1 orange
  • 2 1/2 cups (310g) all-purpose flour
  • 1 tablespoon baking powder
  • 3 tablespoons cocoa powder + 2 tbsp milk, for the chocolate half

Instructions

  1. Preheat the oven to 350°F (180°C) and grease a bundt pan.
  2. Whisk the eggs, sugar, and oil together, then whisk in the orange juice and zest.
  3. Fold in the flour and baking powder to make one batter.
  4. Divide the batter in half. Mix the cocoa powder and milk into one half until smooth.
  5. Spoon the two batters into the pan in alternating dollops, then swirl gently with a knife.
  6. Bake for 35-40 minutes, until a toothpick comes out clean. Cool 10 minutes before unmolding.

Tips

  • Use fresh orange juice and zest rather than bottled juice for the clearest citrus flavor.
  • A few deliberate swirls give a cleaner marble pattern than overmixing.
  • A light orange glaze on top (powdered sugar + orange juice) ties the two flavors together nicely.

Frequently Asked Questions

Can I use a different citrus?

Blood orange or tangerine both work well and add a slightly different color and flavor.

Is the chocolate flavor very strong?

It's balanced — enough cocoa to taste distinctly chocolatey in its half, without overwhelming the orange half.

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